include/common.h

   1 /*
   2  * (C) Copyright 2000-2009
   3  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
   4  *
   5  * SPDX-License-Identifier:     GPL-2.0+
   6  */
   7
   8 #ifndef __COMMON_H_
   9 #define __COMMON_H_     1
  10
  11 #ifndef __ASSEMBLY__            /* put C only stuff in this section */
  12
  13 typedef unsigned char           uchar;
  14 typedef volatile unsigned long  vu_long;
  15 typedef volatile unsigned short vu_short;
  16 typedef volatile unsigned char  vu_char;
  17
  18 /* Allow sharing constants with type modifiers between C and assembly. */
  19 #define _AC(X, Y)       (X##Y)
  20
  21 #include <config.h>
  22 #include <errno.h>
  23 #include <time.h>
  24 #include <asm-offsets.h>
  25 #include <linux/bitops.h>
  26 #include <linux/bug.h>
  27 #include <linux/delay.h>
  28 #include <linux/types.h>
  29 #include <linux/printk.h>
  30 #include <linux/string.h>
  31 #include <linux/stringify.h>
  32 #include <asm/ptrace.h>
  33 #include <stdarg.h>
  34 #include <stdio.h>
  35 #include <linux/kernel.h>
  36
  37 #include <part.h>
  38 #include <flash.h>
  39 #include <image.h>
  40
  41 /* Bring in printf format macros if inttypes.h is included */
  42 #define __STDC_FORMAT_MACROS
  43
  44 #ifdef __LP64__
  45 #define CONFIG_SYS_SUPPORT_64BIT_DATA
  46 #endif
  47
  48 #include <log.h>
  49
  50 typedef void (interrupt_handler_t)(void *);
  51
  52 #include <asm/u-boot.h> /* boot information for Linux kernel */
  53 #include <asm/global_data.h>    /* global data used for startup functions */
  54
  55 #if defined(CONFIG_ENV_IS_EMBEDDED)
  56 #define TOTAL_MALLOC_LEN        CONFIG_SYS_MALLOC_LEN
  57 #elif ( ((CONFIG_ENV_ADDR+CONFIG_ENV_SIZE) < CONFIG_SYS_MONITOR_BASE) || \
  58         (CONFIG_ENV_ADDR >= (CONFIG_SYS_MONITOR_BASE + CONFIG_SYS_MONITOR_LEN)) ) || \
  59       defined(CONFIG_ENV_IS_IN_NVRAM)
  60 #define TOTAL_MALLOC_LEN        (CONFIG_SYS_MALLOC_LEN + CONFIG_ENV_SIZE)
  61 #else
  62 #define TOTAL_MALLOC_LEN        CONFIG_SYS_MALLOC_LEN
  63 #endif
  64
  65 /* startup functions */
  66 #include <init.h>
  67
  68 /*
  69  * Function Prototypes
  70  */
  71 int dram_init(void);
  72
  73 /**
  74  * dram_init_banksize() - Set up DRAM bank sizes
  75  *
  76  * This can be implemented by boards to set up the DRAM bank information in
  77  * gd->bd->bi_dram(). It is called just before relocation, after dram_init()
  78  * is called.
  79  *
  80  * If this is not provided, a default implementation will try to set up a
  81  * single bank. It will do this if CONFIG_NR_DRAM_BANKS and
  82  * CONFIG_SYS_SDRAM_BASE are set. The bank will have a start address of
  83  * CONFIG_SYS_SDRAM_BASE and the size will be determined by a call to
  84  * get_effective_memsize().
  85  *
  86  * @return 0 if OK, -ve on error
  87  */
  88 int dram_init_banksize(void);
  89
  90 void    hang            (void) __attribute__ ((noreturn));
  91
  92 int     timer_init(void);
  93 int     cpu_init(void);
  94
  95 #include <display_options.h>
  96
  97 /* common/main.c */
  98 void    main_loop       (void);
  99 int run_command(const char *cmd, int flag);
 100 int run_command_repeatable(const char *cmd, int flag);
 101
 102 /**
 103  * Run a list of commands separated by ; or even \0
 104  *
 105  * Note that if 'len' is not -1, then the command does not need to be nul
 106  * terminated, Memory will be allocated for the command in that case.
 107  *
 108  * @param cmd   List of commands to run, each separated bu semicolon
 109  * @param len   Length of commands excluding terminator if known (-1 if not)
 110  * @param flag  Execution flags (CMD_FLAG_...)
 111  * @return 0 on success, or != 0 on error.
 112  */
 113 int run_command_list(const char *cmd, int len, int flag);
 114
 115 /* arch/$(ARCH)/lib/board.c */
 116 void board_init_f(ulong);
 117 void board_init_r(gd_t *, ulong) __attribute__ ((noreturn));
 118
 119 /**
 120  * ulong board_init_f_alloc_reserve - allocate reserved area
 121  *
 122  * This function is called by each architecture very early in the start-up
 123  * code to allow the C runtime to reserve space on the stack for writable
 124  * 'globals' such as GD and the malloc arena.
 125  *
 126  * @top:        top of the reserve area, growing down.
 127  * @return:     bottom of reserved area
 128  */
 129 ulong board_init_f_alloc_reserve(ulong top);
 130
 131 /**
 132  * board_init_f_init_reserve - initialize the reserved area(s)
 133  *
 134  * This function is called once the C runtime has allocated the reserved
 135  * area on the stack. It must initialize the GD at the base of that area.
 136  *
 137  * @base:       top from which reservation was done
 138  */
 139 void board_init_f_init_reserve(ulong base);
 140
 141 /**
 142  * arch_setup_gd() - Set up the global_data pointer
 143  *
 144  * This pointer is special in some architectures and cannot easily be assigned
 145  * to. For example on x86 it is implemented by adding a specific record to its
 146  * Global Descriptor Table! So we we provide a function to carry out this task.
 147  * For most architectures this can simply be:
 148  *
 149  *    gd = gd_ptr;
 150  *
 151  * @gd_ptr:     Pointer to global data
 152  */
 153 void arch_setup_gd(gd_t *gd_ptr);
 154
 155 int checkboard(void);
 156 int show_board_info(void);
 157 int last_stage_init(void);
 158 extern ulong monitor_flash_len;
 159 int mac_read_from_eeprom(void);
 160 extern u8 __dtb_dt_begin[];     /* embedded device tree blob */
 161 extern u8 __dtb_dt_spl_begin[]; /* embedded device tree blob for SPL/TPL */
 162 int set_cpu_clk_info(void);
 163 int print_cpuinfo(void);
 164 int update_flash_size(int flash_size);
 165 int arch_early_init_r(void);
 166
 167 /**
 168  * arch_fsp_init() - perform firmware support package init
 169  *
 170  * Where U-Boot relies on binary blobs to handle part of the system init, this
 171  * function can be used to set up the blobs. This is used on some Intel
 172  * platforms.
 173  */
 174 int arch_fsp_init(void);
 175
 176 /**
 177  * arch_cpu_init_dm() - init CPU after driver model is available
 178  *
 179  * This is called immediately after driver model is available before
 180  * relocation. This is similar to arch_cpu_init() but is able to reference
 181  * devices
 182  *
 183  * @return 0 if OK, -ve on error
 184  */
 185 int arch_cpu_init_dm(void);
 186
 187 /**
 188  * Reserve all necessary stacks
 189  *
 190  * This is used in generic board init sequence in common/board_f.c. Each
 191  * architecture could provide this function to tailor the required stacks.
 192  *
 193  * On entry gd->start_addr_sp is pointing to the suggested top of the stack.
 194  * The callee ensures gd->start_add_sp is 16-byte aligned, so architectures
 195  * require only this can leave it untouched.
 196  *
 197  * On exit gd->start_addr_sp and gd->irq_sp should be set to the respective
 198  * positions of the stack. The stack pointer(s) will be set to this later.
 199  * gd->irq_sp is only required, if the architecture needs it.
 200  *
 201  * @return 0 if no error
 202  */
 203 __weak int arch_reserve_stacks(void);
 204
 205 /**
 206  * Show the DRAM size in a board-specific way
 207  *
 208  * This is used by boards to display DRAM information in their own way.
 209  *
 210  * @param size  Size of DRAM (which should be displayed along with other info)
 211  */
 212 void board_show_dram(phys_size_t size);
 213
 214 /**
 215  * arch_fixup_fdt() - Write arch-specific information to fdt
 216  *
 217  * Defined in arch/$(ARCH)/lib/bootm-fdt.c
 218  *
 219  * @blob:       FDT blob to write to
 220  * @return 0 if ok, or -ve FDT_ERR_... on failure
 221  */
 222 int arch_fixup_fdt(void *blob);
 223
 224 int reserve_mmu(void);
 225 /* common/flash.c */
 226 void flash_perror (int);
 227
 228 /* common/cmd_source.c */
 229 int     source (ulong addr, const char *fit_uname);
 230
 231 extern ulong load_addr;         /* Default Load Address */
 232 extern ulong save_addr;         /* Default Save Address */
 233 extern ulong save_size;         /* Default Save Size */
 234
 235 /* common/cmd_net.c */
 236 int do_tftpb(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]);
 237
 238 /* common/cmd_fat.c */
 239 int do_fat_fsload(cmd_tbl_t *, int, int, char * const []);
 240
 241 /* common/cmd_ext2.c */
 242 int do_ext2load(cmd_tbl_t *, int, int, char * const []);
 243
 244 /* common/cmd_nvedit.c */
 245 int     env_init     (void);
 246 void    env_relocate (void);
 247 int     envmatch     (uchar *, int);
 248
 249 /**
 250  * env_get() - Look up the value of an environment variable
 251  *
 252  * In U-Boot proper this can be called before relocation (which is when the
 253  * environment is loaded from storage, i.e. GD_FLG_ENV_READY is 0). In that
 254  * case this function calls env_get_f().
 255  *
 256  * @varname:    Variable to look up
 257  * @return value of variable, or NULL if not found
 258  */
 259 char *env_get(const char *varname);
 260
 261 /**
 262  * env_get_f() - Look up the value of an environment variable (early)
 263  *
 264  * This function is called from env_get() if the environment has not been
 265  * loaded yet (GD_FLG_ENV_READY flag is 0). Some environment locations will
 266  * support reading the value (slowly) and some will not.
 267  *
 268  * @varname:    Variable to look up
 269  * @return value of variable, or NULL if not found
 270  */
 271 int env_get_f(const char *name, char *buf, unsigned len);
 272
 273 /**
 274  * env_get_ulong() - Return an environment variable as an integer value
 275  *
 276  * Most U-Boot environment variables store hex values. For those which store
 277  * (e.g.) base-10 integers, this function can be used to read the value.
 278  *
 279  * @name:       Variable to look up
 280  * @base:       Base to use (e.g. 10 for base 10, 2 for binary)
 281  * @default_val: Default value to return if no value is found
 282  * @return the value found, or @default_val if none
 283  */
 284 ulong env_get_ulong(const char *name, int base, ulong default_val);
 285
 286 /**
 287  * env_get_hex() - Return an environment variable as a hex value
 288  *
 289  * Decode an environment as a hex number (it may or may not have a 0x
 290  * prefix). If the environment variable cannot be found, or does not start
 291  * with hex digits, the default value is returned.
 292  *
 293  * @varname:            Variable to decode
 294  * @default_val:        Value to return on error
 295  */
 296 ulong env_get_hex(const char *varname, ulong default_val);
 297
 298 /*
 299  * Read an environment variable as a boolean
 300  * Return -1 if variable does not exist (default to true)
 301  */
 302 int env_get_yesno(const char *var);
 303
 304 /**
 305  * env_set() - set an environment variable
 306  *
 307  * This sets or deletes the value of an environment variable. For setting the
 308  * value the variable is created if it does not already exist.
 309  *
 310  * @varname: Variable to adjust
 311  * @value: Value to set for the variable, or NULL or "" to delete the variable
 312  * @return 0 if OK, 1 on error
 313  */
 314 int env_set(const char *varname, const char *value);
 315
 316 /**
 317  * env_set_ulong() - set an environment variable to an integer
 318  *
 319  * @varname: Variable to adjust
 320  * @value: Value to set for the variable (will be converted to a string)
 321  * @return 0 if OK, 1 on error
 322  */
 323 int env_set_ulong(const char *varname, ulong value);
 324
 325 /**
 326  * env_set_hex() - set an environment variable to a hex value
 327  *
 328  * @varname: Variable to adjust
 329  * @value: Value to set for the variable (will be converted to a hex string)
 330  * @return 0 if OK, 1 on error
 331  */
 332 int env_set_hex(const char *varname, ulong value);
 333
 334 /**
 335  * env_set_addr - Set an environment variable to an address in hex
 336  *
 337  * @varname:    Environment variable to set
 338  * @addr:       Value to set it to
 339  * @return 0 if ok, 1 on error
 340  */
 341 static inline int env_set_addr(const char *varname, const void *addr)
 342 {
 343         return env_set_hex(varname, (ulong)addr);
 344 }
 345
 346 #ifdef CONFIG_AUTO_COMPLETE
 347 int env_complete(char *var, int maxv, char *cmdv[], int maxsz, char *buf);
 348 #endif
 349 int get_env_id (void);
 350
 351 void    pci_init      (void);
 352 void    pci_init_board(void);
 353
 354 #if defined(CONFIG_DTB_RESELECT)
 355 int     embedded_dtb_select(void);
 356 #endif
 357
 358 int     misc_init_f   (void);
 359 int     misc_init_r   (void);
 360 #if defined(CONFIG_VID)
 361 int     init_func_vid(void);
 362 #endif
 363
 364 /* common/exports.c */
 365 void    jumptable_init(void);
 366
 367 /* common/kallsysm.c */
 368 const char *symbol_lookup(unsigned long addr, unsigned long *caddr);
 369
 370 /* common/memsize.c */
 371 long    get_ram_size  (long *, long);
 372 phys_size_t get_effective_memsize(void);
 373
 374 /* $(BOARD)/$(BOARD).c */
 375 void    reset_phy     (void);
 376 void    fdc_hw_init   (void);
 377
 378 /* $(BOARD)/eeprom.c */
 379 #ifdef CONFIG_CMD_EEPROM
 380 void eeprom_init  (int bus);
 381 int  eeprom_read  (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt);
 382 int  eeprom_write (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt);
 383 #else
 384 /*
 385  * Some EEPROM code is depecated because it used the legacy I2C interface. Add
 386  * some macros here so we don't have to touch every one of those uses
 387  */
 388 #define eeprom_init(bus)
 389 #define eeprom_read(dev_addr, offset, buffer, cnt) ((void)-ENOSYS)
 390 #define eeprom_write(dev_addr, offset, buffer, cnt) ((void)-ENOSYS)
 391 #endif
 392
 393 /*
 394  * Set this up regardless of board
 395  * type, to prevent errors.
 396  */
 397 #if defined(CONFIG_SPI) || !defined(CONFIG_SYS_I2C_EEPROM_ADDR)
 398 # define CONFIG_SYS_DEF_EEPROM_ADDR 0
 399 #else
 400 #if !defined(CONFIG_ENV_EEPROM_IS_ON_I2C)
 401 # define CONFIG_SYS_DEF_EEPROM_ADDR CONFIG_SYS_I2C_EEPROM_ADDR
 402 #endif
 403 #endif /* CONFIG_SPI || !defined(CONFIG_SYS_I2C_EEPROM_ADDR) */
 404
 405 #if defined(CONFIG_SPI)
 406 extern void spi_init_f (void);
 407 extern void spi_init_r (void);
 408 extern ssize_t spi_read  (uchar *, int, uchar *, int);
 409 extern ssize_t spi_write (uchar *, int, uchar *, int);
 410 #endif
 411
 412 /* $(BOARD)/$(BOARD).c */
 413 int board_early_init_f (void);
 414 int board_fix_fdt (void *rw_fdt_blob); /* manipulate the U-Boot fdt before its relocation */
 415 int board_late_init (void);
 416 int board_postclk_init (void); /* after clocks/timebase, before env/serial */
 417 int board_early_init_r (void);
 418
 419 #if defined(CONFIG_SYS_DRAM_TEST)
 420 int testdram(void);
 421 #endif /* CONFIG_SYS_DRAM_TEST */
 422
 423 /* $(CPU)/start.S */
 424 int     icache_status (void);
 425 void    icache_enable (void);
 426 void    icache_disable(void);
 427 int     dcache_status (void);
 428 void    dcache_enable (void);
 429 void    dcache_disable(void);
 430 void    mmu_disable(void);
 431 #if defined(CONFIG_ARM)
 432 void    relocate_code(ulong);
 433 #else
 434 void    relocate_code(ulong, gd_t *, ulong) __attribute__ ((noreturn));
 435 #endif
 436 ulong   get_endaddr   (void);
 437 void    trap_init     (ulong);
 438
 439 /* $(CPU)/cpu.c */
 440 static inline int cpumask_next(int cpu, unsigned int mask)
 441 {
 442         for (cpu++; !((1 << cpu) & mask); cpu++)
 443                 ;
 444
 445         return cpu;
 446 }
 447
 448 #define for_each_cpu(iter, cpu, num_cpus, mask) \
 449         for (iter = 0, cpu = cpumask_next(-1, mask); \
 450                 iter < num_cpus; \
 451                 iter++, cpu = cpumask_next(cpu, mask)) \
 452
 453 int     cpu_numcores  (void);
 454 int     cpu_num_dspcores(void);
 455 u32     cpu_mask      (void);
 456 u32     cpu_dsp_mask(void);
 457 int     is_core_valid (unsigned int);
 458
 459 void s_init(void);
 460
 461 int     checkcpu      (void);
 462 int     checkicache   (void);
 463 int     checkdcache   (void);
 464 void    upmconfig     (unsigned int, unsigned int *, unsigned int);
 465 ulong   get_tbclk     (void);
 466 void    reset_misc    (void);
 467 void    reset_cpu     (ulong addr);
 468 void ft_cpu_setup(void *blob, bd_t *bd);
 469 void ft_pci_setup(void *blob, bd_t *bd);
 470
 471 void smp_set_core_boot_addr(unsigned long addr, int corenr);
 472 void smp_kick_all_cpus(void);
 473
 474 /* $(CPU)/serial.c */
 475 int     serial_init   (void);
 476 void    serial_setbrg (void);
 477 void    serial_putc   (const char);
 478 void    serial_putc_raw(const char);
 479 void    serial_puts   (const char *);
 480 int     serial_getc   (void);
 481 int     serial_tstc   (void);
 482
 483 /* $(CPU)/speed.c */
 484 int     get_clocks (void);
 485 ulong   get_bus_freq  (ulong);
 486 int get_serial_clock(void);
 487
 488 int     cpu_init_r    (void);
 489
 490 /* $(CPU)/interrupts.c */
 491 int     interrupt_init     (void);
 492 void    timer_interrupt    (struct pt_regs *);
 493 void    external_interrupt (struct pt_regs *);
 494 void    irq_install_handler(int, interrupt_handler_t *, void *);
 495 void    irq_free_handler   (int);
 496 void    reset_timer        (void);
 497
 498 /* Return value of monotonic microsecond timer */
 499 unsigned long timer_get_us(void);
 500
 501 void    enable_interrupts  (void);
 502 int     disable_interrupts (void);
 503
 504 /* $(CPU)/.../commproc.c */
 505 int     dpram_init (void);
 506 uint    dpram_base(void);
 507 uint    dpram_base_align(uint align);
 508 uint    dpram_alloc(uint size);
 509 uint    dpram_alloc_align(uint size,uint align);
 510 void    bootcount_store (ulong);
 511 ulong   bootcount_load (void);
 512 #define BOOTCOUNT_MAGIC         0xB001C041
 513
 514 /* $(CPU)/.../<eth> */
 515 void mii_init (void);
 516
 517 /* $(CPU)/.../lcd.c */
 518 ulong   lcd_setmem (ulong);
 519
 520 /* $(CPU)/.../video.c */
 521 ulong   video_setmem (ulong);
 522
 523 /* arch/$(ARCH)/lib/cache.c */
 524 void    enable_caches(void);
 525 void    flush_cache   (unsigned long, unsigned long);
 526 void    flush_dcache_all(void);
 527 void    flush_dcache_range(unsigned long start, unsigned long stop);
 528 void    invalidate_dcache_range(unsigned long start, unsigned long stop);
 529 void    invalidate_dcache_all(void);
 530 void    invalidate_icache_all(void);
 531
 532 enum {
 533         /* Disable caches (else flush caches but leave them active) */
 534         CBL_DISABLE_CACHES              = 1 << 0,
 535         CBL_SHOW_BOOTSTAGE_REPORT       = 1 << 1,
 536
 537         CBL_ALL                         = 3,
 538 };
 539
 540 /**
 541  * Clean up ready for linux
 542  *
 543  * @param flags         Flags to control what is done
 544  */
 545 int cleanup_before_linux_select(int flags);
 546
 547 /* arch/$(ARCH)/lib/ticks.S */
 548 uint64_t get_ticks(void);
 549 void    wait_ticks    (unsigned long);
 550
 551 /* arch/$(ARCH)/lib/time.c */
 552 ulong   usec2ticks    (unsigned long usec);
 553 ulong   ticks2usec    (unsigned long ticks);
 554
 555 /* lib/gunzip.c */
 556 int gzip_parse_header(const unsigned char *src, unsigned long len);
 557 int gunzip(void *, int, unsigned char *, unsigned long *);
 558 int zunzip(void *dst, int dstlen, unsigned char *src, unsigned long *lenp,
 559                                                 int stoponerr, int offset);
 560
 561 /**
 562  * gzwrite progress indicators: defined weak to allow board-specific
 563  * overrides:
 564  *
 565  *      gzwrite_progress_init called on startup
 566  *      gzwrite_progress called during decompress/write loop
 567  *      gzwrite_progress_finish called at end of loop to
 568  *              indicate success (retcode=0) or failure
 569  */
 570 void gzwrite_progress_init(u64 expected_size);
 571
 572 void gzwrite_progress(int iteration,
 573                      u64 bytes_written,
 574                      u64 total_bytes);
 575
 576 void gzwrite_progress_finish(int retcode,
 577                              u64 totalwritten,
 578                              u64 totalsize,
 579                              u32 expected_crc,
 580                              u32 calculated_crc);
 581
 582 /**
 583  * decompress and write gzipped image from memory to block device
 584  *
 585  * @param       src             compressed image address
 586  * @param       len             compressed image length in bytes
 587  * @param       dev             block device descriptor
 588  * @param       szwritebuf      bytes per write (pad to erase size)
 589  * @param       startoffs       offset in bytes of first write
 590  * @param       szexpected      expected uncompressed length
 591  *                              may be zero to use gzip trailer
 592  *                              for files under 4GiB
 593  */
 594 int gzwrite(unsigned char *src, int len,
 595             struct blk_desc *dev,
 596             unsigned long szwritebuf,
 597             u64 startoffs,
 598             u64 szexpected);
 599
 600 /* lib/lz4_wrapper.c */
 601 int ulz4fn(const void *src, size_t srcn, void *dst, size_t *dstn);
 602
 603 /* lib/qsort.c */
 604 void qsort(void *base, size_t nmemb, size_t size,
 605            int(*compar)(const void *, const void *));
 606 int strcmp_compar(const void *, const void *);
 607
 608 /* lib/uuid.c */
 609 #include <uuid.h>
 610
 611 /* lib/vsprintf.c */
 612 #include <vsprintf.h>
 613
 614 /* lib/strmhz.c */
 615 char *  strmhz(char *buf, unsigned long hz);
 616
 617 /* lib/crc32.c */
 618 #include <u-boot/crc.h>
 619
 620 /* lib/rand.c */
 621 #define RAND_MAX -1U
 622 void srand(unsigned int seed);
 623 unsigned int rand(void);
 624 unsigned int rand_r(unsigned int *seedp);
 625
 626 /*
 627  * STDIO based functions (can always be used)
 628  */
 629 /* serial stuff */
 630 int     serial_printf (const char *fmt, ...)
 631                 __attribute__ ((format (__printf__, 1, 2)));
 632
 633 /* lib/gzip.c */
 634 int gzip(void *dst, unsigned long *lenp,
 635                 unsigned char *src, unsigned long srclen);
 636 int zzip(void *dst, unsigned long *lenp, unsigned char *src,
 637                 unsigned long srclen, int stoponerr,
 638                 int (*func)(unsigned long, unsigned long));
 639
 640 /* lib/net_utils.c */
 641 #include <net.h>
 642 static inline struct in_addr env_get_ip(char *var)
 643 {
 644         return string_to_ip(env_get(var));
 645 }
 646
 647 int     pcmcia_init (void);
 648
 649 #ifdef CONFIG_LED_STATUS
 650 # include <status_led.h>
 651 #endif
 652
 653 #include <bootstage.h>
 654
 655 #ifdef CONFIG_SHOW_ACTIVITY
 656 void show_activity(int arg);
 657 #endif
 658
 659 /* Multicore arch functions */
 660 #ifdef CONFIG_MP
 661 int cpu_status(int nr);
 662 int cpu_reset(int nr);
 663 int cpu_disable(int nr);
 664 int cpu_release(int nr, int argc, char * const argv[]);
 665 #endif
 666
 667 #else   /* __ASSEMBLY__ */
 668
 669 /* Drop a C type modifier (like in 3UL) for constants used in assembly. */
 670 #define _AC(X, Y)       X
 671
 672 #endif  /* __ASSEMBLY__ */
 673
 674 /* Put only stuff here that the assembler can digest */
 675
 676 /* Declare an unsigned long constant digestable both by C and an assembler. */
 677 #define UL(x)           _AC(x, UL)
 678
 679 #ifdef CONFIG_POST
 680 #define CONFIG_HAS_POST
 681 #ifndef CONFIG_POST_ALT_LIST
 682 #define CONFIG_POST_STD_LIST
 683 #endif
 684 #endif
 685
 686 #ifdef CONFIG_INIT_CRITICAL
 687 #error CONFIG_INIT_CRITICAL is deprecated!
 688 #error Read section CONFIG_SKIP_LOWLEVEL_INIT in README.
 689 #endif
 690
 691 #define ROUND(a,b)              (((a) + (b) - 1) & ~((b) - 1))
 692
 693 /*
 694  * check_member() - Check the offset of a structure member
 695  *
 696  * @structure:  Name of structure (e.g. global_data)
 697  * @member:     Name of member (e.g. baudrate)
 698  * @offset:     Expected offset in bytes
 699  */
 700 #define check_member(structure, member, offset) _Static_assert( \
 701         offsetof(struct structure, member) == offset, \
 702         "`struct " #structure "` offset for `" #member "` is not " #offset)
 703
 704 /* Avoid using CONFIG_EFI_STUB directly as we may boot from other loaders */
 705 #ifdef CONFIG_EFI_STUB
 706 #define ll_boot_init()  false
 707 #else
 708 #define ll_boot_init()  true
 709 #endif
 710
 711 /* Pull in stuff for the build system */
 712 #ifdef DO_DEPS_ONLY
 713 # include <environment.h>
 714 #endif
 715
 716 #endif  /* __COMMON_H_ */